A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
Turbo boost pressure control valve Volkswagen Audi Seat Skoda 6Q0906625
Vendors's code: 6Q0906625
Product code: 6Q0906625
Barcode:
Code 39:
ISBN:
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Does boost valve 6Q0906625 fit your car?
This is a used, working solenoid valve that controls turbo boost pressure, VAG number 6Q0906625, for Volkswagen, Audi, Seat and Skoda. Before buying, compare the number with the label of the valve in your car.
Turbo boost pressure control valve Volkswagen Audi Seat Skoda 6Q0906625
Solenoid valve controlling turbocharger boost pressure, number 6Q0906625, from a 2007 VAG group car. The part is used, working and in good condition, with a 6-month warranty.
Part number
- 6Q0 906 625 / 6Q0906625 - VAG group number (OEM)
Application
- Volkswagen Audi Seat Skoda - model
- 2007 - year
How this part works
On command from the engine control unit, the valve regulates the vacuum sent to the turbocharger actuator, and with it the boost pressure. When it fails, the car loses power, goes into limp mode and stores underboost or overboost faults.
Questions before buying
| How do I check the valve before replacing it? |
|---|
| First check the vacuum hoses for leaks and the valve connector, because a leak gives the same symptoms as a faulty valve. |
| Does anything need coding after replacement? |
| Usually not. After fitting, clear the faults in the engine control unit and check the boost on a test drive. |
Send fitment questions to contact@auto24parts.com.